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new eafc477830 [Doc] additional delays with linux defer_accept (#12468)
eafc477830 is described below
commit eafc47783000a09ae4a8d9b323a672b189871e9e
Author: Serris Lew <[email protected]>
AuthorDate: Mon Aug 25 14:09:08 2025 -0700
[Doc] additional delays with linux defer_accept (#12468)
Co-authored-by: Serris Lew <[email protected]>
---
doc/admin-guide/files/records.yaml.en.rst | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/doc/admin-guide/files/records.yaml.en.rst
b/doc/admin-guide/files/records.yaml.en.rst
index 7db2bc1aad..e882bfac2b 100644
--- a/doc/admin-guide/files/records.yaml.en.rst
+++ b/doc/admin-guide/files/records.yaml.en.rst
@@ -5185,8 +5185,8 @@ Sockets
default: ``1`` meaning ``on`` all Platforms except Linux: ``45`` seconds
This directive enables operating system specific optimizations for a
listening socket. ``defer_accept`` holds a call to ``accept(2)``
- back until data has arrived. In Linux' special case this is up to a maximum
of 45 seconds.
- On FreeBSD, ``accf_data`` module needs to be loaded.
+ back until data has arrived. In Linux' special case this is up to a maximum
of 45 seconds. Note in Linux, additional delays may
+ occur as kernel handles retries using exponential backoff algorithm. On
FreeBSD, ``accf_data`` module needs to be loaded.
Note: If MPTCP is enabled, TCP_DEFER_ACCEPT is only supported on Linux
kernels 5.19+.
.. ts:cv:: CONFIG proxy.config.net.listen_backlog INT -1
